# Shared Flashcard Set

## Details

Map Skills
WARNING: the material in this test is not complete. You will need to do exercises on your own for practise using grids, etc. Look on Wikipedia for good exercises.
30
Geography
11/14/2006

Term
 What are the three types of scales?
Definition
 Line scale; statement scale; ratio scale
Term
 What is a line scale?
Definition
 A line marked with a distance (e.g. _________ = 1 kilometer
Term
 What is a statement scale?
Definition
 example: 1 square = 1 kilometer
Term
 What is a ration scale?
Definition
 example: 1:50,000
Term
 What is longitude?
Definition
 Longitude lines are the vertical lines which converge at the poles and extend east and west from the Prime Meridian
Term
 Where is the Prime Meridian?
Definition
 Greenwich
Term
 Why is the Prime Meridian in Greenwich?
Definition
 Because the British were major snots and at the time had lots of big nasty warships, so they could say the Prime Meridian was on Planet Zort and no one would object.
Term
 What is latitude?
Definition
 The horizontal lines running around the earth, each one 111k from the next.
Term
 What is a topographical map?
Definition
 A map showing both natural and human features.
Term
 What are the three types of map?
Definition
 General-purpose; thematic; topographic
Term
 What is a thematic map?
Definition
 Shows one type of feature (e.g. highway map, religious map)
Term
 What is a general-purpose map?
Definition
 Shows a great variety of features.
Term
 What is the NTS?
Definition
 The National Topographic System, the map system for Canada
Term
 What is the difference between a large scale map and a small scale map?
Definition
 A large scale map shows a large amount of detail in a small area, and a small scale map shows a small amount of detail in a large area.
Term
 What is the UTM coordinate system?
Definition
 The Universal Transverse Mercator, a way to calculate coordinates globally.
Term
 What is the Great Circle Route?
Definition
 A line on a sphere that divides the sphere into two equal hemispheres. [image]
Term
 What is Greenwich Mean Time?
Definition
 The time zone directly on the Prime Meridian
Term
 What is the Internation Date Line?
Definition
 The IDL is a horizontal line that runs around the earth, usualy at 180 degrees latitude, changing the date as you travel east or west along it.
Term
 What is a point feature?
Definition
 A detail on a map so small that you draw it as a dot.
Term
 What is a line feature?
Definition
 A detail on a map that you draw as a line (a river, a path, etc.)
Term
 What is an area (or polygon) feature?
Definition
 A detail on a map large enough to be drawn as per its real shape (like a country)
Term
 What is mental mapping?
Definition
 An internal knowlege of an area
Term
 What is direct distance?
Definition
 The distance from one point to another disregarding obstacles (an underground phone line would follow direct distance)
Term
 What is actual distance?
Definition
 The distance from one point to another INCLUDING obstacles (for instance, a path going up a mountain would add the distance you go up to the direct distance)
Term
 What is the principle of least effort?
Definition
 A route that may not be the shortest way, but is the easiest (i.e. going around a lake instead of swimming it)
Term
 What is the directional symbol?
Definition
 The symbol on a map that shows which direction is which (like an arrow pointing north)
Term
 What is a contour line?
Definition
 A line on a map showing elevation (like mountains)
Term
 How do you show how steep or gentle a slope is?
Definition
 The steeper the slope, the closer together the contour lines are
Term
 What is a summit?
Definition
 The highest point of a mountain
Term
 What is a profile?
Definition
 As if a mountain has been cut in half, and you are looking at one-half from inside (remember the clay model)
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